rdblue commented on code in PR #5513: URL: https://github.com/apache/iceberg/pull/5513#discussion_r945206323
########## spark/v3.3/spark/src/test/java/org/apache/iceberg/spark/sql/TestSparkBucketFunction.java: ########## @@ -0,0 +1,330 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ +package org.apache.iceberg.spark.sql; + +import java.nio.charset.StandardCharsets; +import org.apache.iceberg.AssertHelpers; +import org.apache.iceberg.relocated.com.google.common.io.BaseEncoding; +import org.apache.iceberg.spark.SparkTestBaseWithCatalog; +import org.apache.spark.sql.AnalysisException; +import org.assertj.core.api.Assertions; +import org.junit.Assert; +import org.junit.Before; +import org.junit.Test; + +public class TestSparkBucketFunction extends SparkTestBaseWithCatalog { + public TestSparkBucketFunction() {} + + @Before + public void useCatalog() { + sql("USE %s", catalogName); + } + + @Test + public void testBucketIntegers() { + Assert.assertEquals( + "Byte type should bucket similarly to integer", + 3, + scalarSql("SELECT system.bucket(10, 8Y)")); + Assert.assertEquals( + "Short type should bucket similarly to integer", + 3, + scalarSql("SELECT system.bucket(10, 8S)")); + // Integers + Assert.assertEquals(3, scalarSql("SELECT system.bucket(10, 8)")); + Assert.assertEquals(79, scalarSql("SELECT system.bucket(100, 34)")); + Assert.assertNull(scalarSql("SELECT system.bucket(1, CAST(null AS INT))")); + } + + @Test + public void testBucketDates() { + Assert.assertEquals(3, scalarSql("SELECT system.bucket(10, date('1970-01-09'))")); + Assert.assertEquals(79, scalarSql("SELECT system.bucket(100, date('1970-02-04'))")); + Assert.assertNull(scalarSql("SELECT system.bucket(1, CAST(null AS DATE))")); + } + + @Test + public void testBucketLong() { + Assert.assertEquals(79, scalarSql("SELECT system.bucket(100, 34L)")); + Assert.assertEquals(76, scalarSql("SELECT system.bucket(100, 0L)")); + Assert.assertEquals(97, scalarSql("SELECT system.bucket(100, -34L)")); + Assert.assertEquals(0, scalarSql("SELECT system.bucket(2, -1L)")); + Assert.assertNull(scalarSql("SELECT system.bucket(2, CAST(null AS LONG))")); + } + + @Test + public void testBucketDecimal() { + Assert.assertEquals(56, scalarSql("SELECT system.bucket(64, CAST('12.34' as DECIMAL(9, 2)))")); + Assert.assertEquals(13, scalarSql("SELECT system.bucket(18, CAST('12.30' as DECIMAL(9, 2)))")); + Assert.assertEquals(2, scalarSql("SELECT system.bucket(16, CAST('12.999' as DECIMAL(9, 3)))")); + Assert.assertEquals(21, scalarSql("SELECT system.bucket(32, CAST('0.05' as DECIMAL(5, 2)))")); + Assert.assertEquals(85, scalarSql("SELECT system.bucket(128, CAST('0.05' as DECIMAL(9, 2)))")); + Assert.assertEquals(3, scalarSql("SELECT system.bucket(18, CAST('0.05' as DECIMAL(9, 2)))")); + + Assert.assertNull( + "Null input should return null", + scalarSql("SELECT system.bucket(2, CAST(null AS decimal))")); + } + + @Test + public void testBucketTimestamp() { + Assert.assertEquals( + 99, scalarSql("SELECT system.bucket(100, TIMESTAMP '1997-01-01 00:00:00 UTC+00:00')")); + Assert.assertEquals( + 85, scalarSql("SELECT system.bucket(100, TIMESTAMP '1997-01-31 09:26:56 UTC+00:00')")); + Assert.assertEquals( + 62, scalarSql("SELECT system.bucket(100, TIMESTAMP '2022-08-08 00:00:00 UTC+00:00')")); + Assert.assertNull(scalarSql("SELECT system.bucket(2, CAST(null AS timestamp))")); + } + + @Test + public void testBucketString() { + Assert.assertEquals(4, scalarSql("SELECT system.bucket(5, 'abcdefg')")); + Assert.assertEquals(122, scalarSql("SELECT system.bucket(128, 'abc')")); + Assert.assertEquals(54, scalarSql("SELECT system.bucket(64, 'abcde')")); + Assert.assertEquals(8, scalarSql("SELECT system.bucket(12, '测试')")); + Assert.assertEquals(1, scalarSql("SELECT system.bucket(16, '测试raul试测')")); + Assert.assertEquals( + "Varchar should work like string", + 1, + scalarSql("SELECT system.bucket(16, CAST('测试raul试测' AS varchar(8)))")); + Assert.assertEquals( + "Char should work like string", + 1, + scalarSql("SELECT system.bucket(16, CAST('测试raul试测' AS char(8)))")); + Assert.assertEquals( + "Should not fail on the empty string", 0, scalarSql("SELECT system.bucket(16, '')")); + Assert.assertNull( + "Null input should return null as output", + scalarSql("SELECT system.bucket(16, CAST(null AS string))")); + } + + @Test + public void testBucketBinary() { + Assert.assertEquals( + 1, scalarSql("SELECT system.bucket(10, X'0102030405060708090a0b0c0d0e0f')")); + Assert.assertEquals(10, scalarSql("SELECT system.bucket(12, %s)", asBytesLiteral("abcdefg"))); + Assert.assertEquals(13, scalarSql("SELECT system.bucket(18, %s)", asBytesLiteral("abc\0\0"))); + Assert.assertEquals(42, scalarSql("SELECT system.bucket(48, %s)", asBytesLiteral("abc"))); + Assert.assertEquals(3, scalarSql("SELECT system.bucket(16, %s)", asBytesLiteral("测试_"))); Review Comment: Are these all of the tests from the bucket function tests? -- This is an automated message from the Apache Git Service. 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